So, I have skinny hands and which seriously puts a toll in my daily mood. I have been thinking of trying protein shakes from scratch .I currently have - DatesOatsMilkcashewshoneypeanut butter* Are these enough to gain good amount of weight? I drink about 280ml of the concoction and currently 3rd day on it Recipe(2date.1cup oat.230ml milk.handful of cashew.two scoops of honey and peanut butter).